Base | Representation |
---|---|
bin | 110000000100… |
… | …0111001001101 |
3 | 1202102101222210 |
4 | 1200020321031 |
5 | 22422433003 |
6 | 2300101033 |
7 | 424133646 |
oct | 140107115 |
9 | 52371883 |
10 | 25202253 |
11 | 1325390a |
12 | 8534779 |
13 | 52b529b |
14 | 34c06cd |
15 | 232c503 |
hex | 1808e4d |
25202253 has 4 divisors (see below), whose sum is σ = 33603008. Its totient is φ = 16801500.
The previous prime is 25202213. The next prime is 25202267. The reversal of 25202253 is 35220252.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 25202253 - 213 = 25194061 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25202213) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4200373 + ... + 4200378.
It is an arithmetic number, because the mean of its divisors is an integer number (8400752).
Almost surely, 225202253 is an apocalyptic number.
It is an amenable number.
25202253 is a deficient number, since it is larger than the sum of its proper divisors (8400755).
25202253 is an equidigital number, since it uses as much as digits as its factorization.
25202253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8400754.
The product of its (nonzero) digits is 1200, while the sum is 21.
The square root of 25202253 is about 5020.1845583604. The cubic root of 25202253 is about 293.1881787280.
The spelling of 25202253 in words is "twenty-five million, two hundred two thousand, two hundred fifty-three".
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